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Doctor insights on: Girlfriend Hives Allergic Benadryl

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Dr. Jan Lei Iwata
3 doctors shared insights

Hives (Definition)

Also known as urticaria, hives are an outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). Hives vary in size, are itchy, can burn, and can last for up to ...Read more


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If i was allegic to shrimp as a kid can i try it now as a adult and see if i out grew it.and if i get hives can i use benadryl (diphenhydramine)?

If i was allegic to shrimp as a kid can i try it now as a adult and see if i out grew it.and if i get hives can i use benadryl (diphenhydramine)?

Shell fish allergy : Do not treat your allergy carelessly. If you want to test it then go to a qualified allergist. Take your shrimp along (no touching of course) and you are the doctor can have lunch. If you react you will need epinephrine, oxygen, and then Benedryl to recover. If you don't react you and your doctor enjoyed lunch. Some doctors may not want you to try due to the risk. Get an epipen too. ...Read more

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My 3 year old has an allergic reaction to mangoes hives . Can i give her benadryl (diphenhydramine)? If so, how much?

My 3 year old has an allergic reaction to mangoes  hives . Can i give her benadryl (diphenhydramine)? If so, how much?

Food allergy: Food allergies should be considered serious. A suspicious reaction to food should be evaluated immediately. Testing might be done. If confirmed, Epinephrine might need to be carried around at all times. ...Read more

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In the event of a hives-only, but still troubling, allergic reaction, what can someone allergic to Benadryl (diphenhydramine) take? Don't wanna use an epipen for hives.

In the event of a hives-only, but still troubling, allergic reaction, what can someone allergic to Benadryl (diphenhydramine) take? Don't wanna use an epipen for hives.

Hives: Depending on the extent of your hives, you may wish to seek medical help. You can go to a walk in clinic or emergency room. I doubt your hives are from benadryl (diphenhydramine). Whatever prompted you to take Benadryl (diphenhydramine) may have been the cause of your hives. ...Read more

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I have had hives within minutes of taking dye free benadryl (diphenhydramine). Is this possible? And would xyzal be a safe alternative? Does xyzal help allergic reactn?

Yes: Your allergic to Benadryl (diphenhydramine) or one of the components of the preparation. Xyzal allergy is not related to Benadryl (diphenhydramine) allergy, and thus ok to use, but be on the lookout for reactions. ...Read more

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My allergist told me there is almost no way I am allergic to benadryl (diphenhydramine). Why do I get a few hives 20 minutes after taking it, then? I take dye free.

It is possible: Your allergist is correct in that allergy to Benadryl (diphenhydramine) is very rare. However, it can occur, especially if you have frequently used creams or lotions containing Benadryl (diphenhydramine) on your skin. If you are still concerned about it, talk with your allergist about performing skin testing to benadryl (diphenhydramine). Alternatively, he may perform a "challenge, " in which you are given a few increasing doses to see if you react. ...Read more

Dr. John Chiu
1,011 doctors shared insights

Diphenhydramine (Definition)

Diphenhydramine is a sedating antihistamine which is a kind of antihistamine type drug (common ...Read more


Benadryl (Definition)

Diphenhydramine is a sedating antihistamine which is a kind of antihistamine type drug (common ...Read more